Noncarious cervical lesions in the aging population analyzed through digital scanning: occlusal risk factors, dimensions, and morphology.

Objectives: To evaluate noncarious cervical lesions (NCCL) in older adults by analyzing each lesion's morphology, dimension, and occlusal risk factors using intraoral scanning and clinical evaluation.

Materials And Methods: Individuals over 60 treated at the School of Dentistry in Minas Gerais, Brazil, were invited to participate in this cross-sectional study. We clinically evaluated 1245 teeth for the presence of NCCL and dentin hypersensitivity (DH) in 53 individuals.

Do different protocols affect the success rate or bond strength of glass-ceramics repaired with composite resin? A systematic review and meta-analysis.

Statement Of Problem: Intraoral repair techniques prevent unnecessary replacement of ceramic restorations, thereby increasing the survival rate. However, adhesion between ceramics and the composite resin is challenging and how different protocols influence adhesion is unclear.

Purpose: The purpose of this systematic review and meta-analysis was to analyze the influence of different protocols on repairing glass-ceramic surfaces with composite resins.

Perceptions and conducts of oral and maxillofacial surgeons during the COVID-19 pandemic: A qualitative study.

Oral and maxillofacial surgeons are among the frontline healthcare workers and are classified as a high-risk group for COVID-19 infection; however, it has not yet been defined how these professionals were impacted. The aim of this study was to explore the conducts and perceptions of oral and maxillofacial surgeons during the COVID-19 pandemic in Brazil. Nine individuals, mean age 34.

Adjunctive therapies for in vitro carious lesions: Antimicrobial activity, activation of dentin metalloproteinases and effects on dental pulp cells.

Background: Adjunctive therapies used before dental restorative procedures may encourage carious tissue removal. Beyond promising antimicrobial properties, treatments could positively modulate the dentin-pulp complex while not interfering with restoration survival. Herein, we evaluated a set of substances and their effects on carious lesions and the underlying dentin or pulp cells.

Evaluation of the clinical performance of GIOMERs and comparison with other conventional restorative materials in permanent teeth: a systematic review and meta-analysis.

Aim The aim of this systematic review and meta-analysis was to analyse the clinical performance of GIOMER restorative composites and compare them with other conventional restorative materials in permanent teeth.Methods Searches in PubMed, Web of Science, Scopus, Ovid and Cochrane Library were conducted. Grey literature search was also performed.

Comparison of instrumental methods for color change assessment of Giomer resins.

Objectives: The aim of this study was to compare the color change of the Giomer resin composite (Beautifil-Bulk) by using photographs obtained with a smartphone (iPhone 6S) associated with Adobe Photoshop software (digital method), with the spectrophotometric method (Vita Easyshade) after immersion in different pigment solutions.

Materials And Methods: Twenty resin composite samples with a diameter of 15.0 mm and thickness of 1.

Nestin and NG2 transgenes reveal two populations of perivascular cells stimulated by photobiomodulation.

Pericytes and glial cells are known to collaborate in dental pulp tissue repair. Cell-based therapies that stimulate these stromal components may be of therapeutic relevance for partially vital dental pulp conditions. This study aimed to examine the early effect of photobiomodulation (PBM) in pericytes from experimentally injured pulp tissue.

Maxillofacial Prosthetic Rehabilitation of Patients with Resection of Squamous Cell Carcinoma: A Report of Two Cases.

Maxillofacial prosthetic rehabilitation is almost always indicated after surgical treatment of affected individuals with oral cavity and pharynx cancers. Few articles have described in detail the technical sequence of maxillofacial prosthesis fabrication. The first case is a 56-year-old woman who was rehabilitated with pharyngeal obturator prosthesis after a partial maxillectomy, including soft palate, tonsil, oropharynx, and retromolar space regions.

Is dental caries associated with liver transplantation? A systematic review and meta-analysis.

Objective: The aim of this systematic review and meta-analysis was to evaluate the experience of dental caries in individuals pre- or postliver transplant.

Materials And Methods: Searches in PubMed, Scopus, Web of Science, Ovid, and Lilacs from databases' inception date up to April 2020 were undertaken. Gray literature and manual searches were also conducted.

Rehabilitation with Fixed Prosthodontics Associated with Removable Partial Prosthesis: A 5-Year Follow-Up Clinical Evaluation.

Dental implants are a common and successful option for the rehabilitation of edentulous areas. However, there are some limitations to their use. The present clinical report describes a 5-year follow-up of maxillary rehabilitation using an attachment-retained removable partial denture (RPD) associated with fixed partial denture (FPD) units as an alternative to orthodontic treatment associated with orthognathic surgery and dental implant placement.

Metallization and Ar-O plasma effects on dental enamel roughness evaluated with SEM and MeX™ for 3D reconstruction.

The MeX™ software is a useful tool for tridimensional data collection for surface evaluation and could be relevant to evaluate the same specimen in different phases of the study, assuming repeated measures of dental enamel roughness. The aim of this study was to evaluate the influence of sample metallization for dental enamel roughness analysis with 3D images reconstructed using MeX™ software from Scanning Electron Microscopy (SEM) images. The influence of 74.

Dental caries and developmental defects of enamel in individuals with chronic kidney disease: Systematic review and meta-analysis.

Objective: To evaluate studies assessing the prevalence of dental caries and developmental defects of enamel (DDE) in individuals with chronic kidney disease (CKD) in comparison with individuals without CKD.

Materials And Methods: Electronic searches were performed in PubMed, Web of Science, Scopus, Medline via Ovid, and ProQuest databases from their inception date until February 2018. Two review authors independently selected the studies, extracted data, and assessed the methodological quality.

Evaluation of Vertical Misfit of CAD/CAM Implant-Supported Titanium and Zirconia Frameworks.

Purpose: This study compared the vertical misfit of fixed implant-supported titanium (Ti6Al4V) and yttria-stabilized tetragonal zirconia frameworks milled using the computer-aided design/computer-aided manufacturing (CAD/CAM) Zirkonzahn system.

Materials And Methods: An aluminum mandibular master cast was used, and four analogs of the Regular CrossFit implant for straight multibase titanium alloy abutments (Institut Straumann) were fixed with self-curing acrylic resin in mandibular canine and second premolar tooth locations with the aid of a parallelometer. Scan abutments were placed over the four straight multibase Regular CrossFit abutments to determine their correct three-dimensional (3D) positioning in the virtual model.

Biomechanical Behavior of Tooth-Implant Supported Prostheses With Different Implant Connections: A Nonlinear Finite Element Analysis.

Purpose: Biomechanical behavior of tooth-implant-supported prostheses (TISPs) with external and internal implants was compared.

Materials And Methods: Two 3-D models of TISP were designed by varying the implant: external (Model EH) and internal hexagons (Model IH). After loading, von Mises stresses were obtained in implants, abutments, and screws.

LED and Halogen Light Transmission through a CAD/CAM Lithium Disilicate Glass-Ceramic.

The effect of thickness, shade and translucency of CAD/CAM lithium disilicate glass-ceramic on light transmission of light-emitting diode (LED) and quartz-tungsten-halogen units (QTH) were evaluated. Ceramic IPS e.max CAD shades A1, A2, A3, A3.

Effects of Screw- and Cement-Retained Implant-Supported Prostheses on Bone: A Nonlinear 3-D Finite Element Analysis.

Purpose: To compare the stresses and displacements on perimplant bone generated by screw- and cement-retained prostheses using the finite element method.

Materials And Methods: Two models were constructed: partial fixed implant-supported prostheses with three elements retained by screws (SFP) or cement (CFP). Vertical and oblique loads of 100 N were applied on the models.

Two-year clinical performance of dimethacrylatebased composite restorations repaired with a silorane-based composite.

Purpose: To investigate the clinical performance of a silorane-based composite resin used for repairing dimethacrylate- based composite restorations.

Materials And Methods: One operator repaired defective dimethacrylate-based resin restorations that were randomly assigned to one of two treatment groups: control (n=50), repaired with Adper SE Plus and Filtek P60 Posterior Restorative (3M ESPE); or test (n=50), repaired with P90 System Adhesive Self-Etch Primer and Bond and Filtek P90 Low Shrink Posterior Restorative (3M ESPE). After 1 week, restorations were finished and polished.

Biomechanical evaluation of screw- and cement-retained implant-supported prostheses: a nonlinear finite element analysis.

Statement Of Problem: The mechanical stability of the prosthetic components in the implant-prosthesis complex is essential to the long-term success of the restorations. However, little is known about the differences in the biomechanical behavior of screw- and cement-retained prostheses.

Purpose: The purpose of this study was to compare the preload maintenance, stresses, and displacements of prosthetic components of screw- and cement-retained implant-supported prostheses by using the finite element method in a nonlinear analysis.

Impact of aesthetic restorative treatment on anterior teeth with fluorosis among residents of an endemic area in Brazil: intervention study.

Background: Endemic dental fluorosis has already been described in some regions of the world. The aim of this study was to evaluate the functional and psychosocial impact of direct aesthetic restorative treatments in endemic fluorosis patients in the northern state of Minas Gerais, Brazil. Was a quasi-experimental intervention study.

Qualitative evaluation of scanning electron microscopy methods in a study of the resin cement/dentine adhesive interface.

Sample preparation and imaging techniques for scanning electron microscopy (SEM) of dehydrated dental samples can hinder the structural analyses. This study qualitatively evaluated images obtained with two different protocols of SEM preparation and analysis to assess the dentine adhesive interface. The crown and root dentine of 12 bovine incisors were subjected to cementation with the resin cement RelyX U100 or RelyX ARC/SBMP (n = 6).

Knowledge and attitudes of dentists regarding ageing and the elderly.

Objective: This study was aimed to identify the knowledge and attitudes of dentists regarding ageing and the elderly.

Background: As the population ages, there is a greater demand for differentiated care from health professionals. However, the treatment needs of the elderly population are not sufficiently addressed, particularly in developing countries.

[Dental care and oral hygiene practices in long-term geriatric care institutions].

This study evaluated the activities of dentists, dental care and oral hygiene practices in the long-term care institutions of Belo Horizonte (Minas Gerais, Brazil). A semi-structured questionnaire was handed out to the coordinators of 37 philanthropic and 30 private institutions. The data was compared by the chi-square and Fisher's Exact Tests.

Radiographic parameters of quality of root canal fillings and periapical status: a retrospective cohort study.

Introduction: The aim of this study was to radiographically evaluate the relationship between the quality parameters of root canal fillings (apical extension, homogeneity, and taper) and periapical status. In addition, groups of teeth and complicating factors of endodontic treatment were assessed.

Methods: This retrospective cohort study assessed the quality and periapical status of root-filled canals in a 4- to 7-year follow-up period.

[Care process in long term care facilities: elderly caregivers' views].

This study evaluated the care in philanthropic and private long-term institutions in Belo Horizonte, Brazil. A sample of 181 caregivers of elderly was interviewed and was evaluated rate elderly / caregiver, their training in service, satisfaction, difficulties in function and activities executed. The rate elderly / caregiver was higher in philanthropic.